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CVE

CVE-2021-3583

A flaw was found in Ansible, where a user's controller is vulnerable to template injection. This issue can occur through

A flaw was found in Ansible, where a user's controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection, which discloses sensitive information.

The highest threat from this vulnerability is to confidentiality and integrity.

HIGH · CVSS 7.1 EPSS 0.00276
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Affected Products & Versions

3

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI ansible HIGH fixed in 2.9.23rc1

Scoring & Timeline

7.1
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Sep 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Vendor Advisories

13
suse-csafopenSUSE-SU-2025:15753-1
suse-csafopenSUSE-SU-2025:15605-1
suse-csafopenSUSE-SU-2024:14536-1
suse-csafopenSUSE-SU-2024:14244-1
suse-csafopenSUSE-SU-2024:10615-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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